26111696900 has 18 divisors (see below), whose sum is σ = 56662382490. Its totient is φ = 10444678720.

The previous prime is 26111696899. The next prime is 26111696921. The reversal of 26111696900 is 969611162.

It can be written as a sum of positive squares in 3 ways, for example, as 6734500096 + 19377196804 = 82064^2 + 139202^2 .

It is a super-2 number, since 2×26111696900² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130558385 + ... + 130558584.

Almost surely, 2^26111696900 is an apocalyptic number.

26111696900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26111696900 is an abundant number, since it is smaller than the sum of its proper divisors (30550685590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26111696900 is a wasteful number, since it uses less digits than its factorization.

26111696900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261116983 (or 261116976 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 26111696900 in words is "twenty-six billion, one hundred eleven million, six hundred ninety-six thousand, nine hundred".